package com.atguigu.eduservice.controller.front;

import com.atguigu.commonutils.JwtUtils;
import com.atguigu.commonutils.R;
import com.atguigu.commonutils.ordervo.CourseWebVoOrder;
import com.atguigu.eduservice.client.OrdersClient;
import com.atguigu.eduservice.entity.EduCourse;
import com.atguigu.eduservice.entity.chapter.ChapterVo;
import com.atguigu.eduservice.entity.frontvo.CourseFrontVo;
import com.atguigu.eduservice.entity.frontvo.CourseWebVo;
import com.atguigu.eduservice.service.EduChapterService;
import com.atguigu.eduservice.service.EduCourseService;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.List;
import java.util.Map;

@Api(description = "前台系统：课程")
@RestController
@RequestMapping("/eduService/courseFront")
@CrossOrigin
public class CourseFrontController {

    @Autowired
    private EduCourseService courseService;

    @Autowired
    private EduChapterService chapterService;

    @Autowired
    private OrdersClient ordersClient;

    //1、前台系统：条件、分页查询课程
    @ApiOperation(value = "条件、分页查询课程")
    @PostMapping("/getFrontCourseList/{page}/{limit}")
    public R getFrontCourseList(@PathVariable long page, @PathVariable long limit,
                                @RequestBody(required = false) CourseFrontVo courseFrontVo) {
        Page<EduCourse> pageCourse = new Page<>(page, limit);
        Map<String,Object> map = courseService.getFrontCourseList(pageCourse,courseFrontVo);
        //返回分页所有数据
        return R.ok().data(map);
    }

    //2、课程详情的方法
    @ApiOperation("课程详情的方法")
    @GetMapping("/getFrontCourseInfo/{courseId}")
    public R getFrontCourseInfo(@PathVariable String courseId, HttpServletRequest request) {
        //根据课程id，编写SQL语句查询课程信息
        CourseWebVo courseWebVo = courseService.getBaseCourseInfo(courseId);

        //根据课程id查询章节和小节
        List<ChapterVo> chapterVideoList = chapterService.getChapterVideoByCourseId(courseId);

        //根据课程id和用户id查询当前课程是否已经支付过了
        boolean isBuy = ordersClient.isBuyCourse(courseId, JwtUtils.getMemberIdByJwtToken(request));

        return R.ok().data("courseWebVo",courseWebVo).data("chapterVideoList",chapterVideoList).data("isBuy",isBuy);
    }

    //3、根据课程id查询课程信息
    @ApiOperation(value = "服务调用：根据课程id查询课程信息")
    @PostMapping("/getCourseInfoOrder/{id}")
    public CourseWebVoOrder getCourseInfoOrder(@PathVariable String id) {
        //根据课程id查询课程信息
        CourseWebVo courseWebVo = courseService.getBaseCourseInfo(id);
        CourseWebVoOrder courseWebVoOrder = new CourseWebVoOrder();
        //把CourseWebVo对象里面的值复制给CourseWebVoOrder对象
        BeanUtils.copyProperties(courseWebVo, courseWebVoOrder);
        return courseWebVoOrder;
    }

}
